| Cayenne: An Object-Relational mapping framework working with relational databases. [Open Source] |
| FirstSQL/J: A pure Java fully SQL/92 compliant ORDBMS. [Commercial] |
| IBM Cloudscape: Pure java database management system for distributed, embedded, mobile computing applications. [Commercial] |
| Inprise JDataStore: A Pure Java, Object Relational Database Management System for use in Web, mobile or embedded database applications. [Commercial] |
| JGrinder: Initially began as a solution for Object/Relational persistence. Supporting this involved the creation of many utility classes and tools that could be used to accelerate any application development effort. [Open source, LGPL] |
| ObjectStore EdgeXtend: Provides a distributed data caching infrastructure that is automatically generated using model-driven, object-relational mapping tools. This data access and caching layer eliminates bottlenecks in custom enterprise applications by optimizing relational database access. [Commercial] |
| Sav Zigzag: Web ORDBMS with Zigzag language for object, relational and XML data manipulation. [Free for non-commercial] |
Classical
